if(window.YAHOO) {
  var windowHeight = YAHOO.util.Dom.getViewportHeight;
  var windowWidth =  YAHOO.util.Dom.getViewportWidth;
  var cookieYUI = YAHOO.util.Cookie;
  var $ = YAHOO.util.Dom.get;
  var $$ = YAHOO.util.Selector.query;
}

var $lambda = function (value){
  return (typeof value == 'function') ? value : function(){
    return value;
  };
};

var $E = function() {
  var results = [];
    var args = Array.prototype.slice.call(arguments);

    args.forEach(function(selector) {
    results = results.concat($$(selector));
  });

  return results;
};

String.prototype.supplant = function (o) {
    return this.replace(/{([^{}]*)}/g,
        function (a, b) {
            var r = o[b];
            return typeof r === 'string' || typeof r === 'number' ? r : a;
        }
    );
};

String.prototype.capitalize = function() {
  return this.replace(/\b[a-z]/g, function(match){
    return match.toUpperCase();
  });
};

String.prototype.toInt = function(base) {
  return parseInt(this, base || 10);
};

Function.prototype.bind = function(bind, arguments) {
  var self = this;

  return function() {
    self.apply(bind, arguments);
  }
};

if (!Array.prototype.forEach) {
  Array.prototype.forEach = function(fn, bind) {
    for (var i = 0, l = this.length; i < l; i++){
      if(i in this) { fn.call(bind, this[i], i, this);}
    }
  };
}

if (!Array.prototype.map) {
  Array.prototype.map = function(fn, bind) {
    var results = [];
    for (var i = 0, l = this.length; i < l; i++) {
      if(i in this) { results[i] = fn.call(bind, this[i], i, this);}
    }
    return results;
  };
}

if (!Array.prototype.indexOf) {
  Array.prototype.indexOf = function(elt /*, from*/) {
      var len = this.length >>> 0;
      var from = Number(arguments[1]) || 0;

      from = (from < 0) ? Math.ceil(from) : Math.floor(from);
      if (from < 0) from += len;

      for (; from < len; from++) {
          if (from in this && this[from] === elt) return from;
      }
      return -1;
  };
}

if (!Array.prototype.filter) {
  Array.prototype.filter = function(fun /*, thisp*/){
      var len = this.length >>> 0;
    if (typeof fun != "function") throw new TypeError();

    var res = new Array();
    var thisp = arguments[1];
    for (var i = 0; i < len; i++) {
      if (i in this) {
        var val = this[i]; // in case fun mutates this
        if (fun.call(thisp, val, i, this)) res.push(val);
      }
    }
      return res;
  };
}

function carousel(id, params)
{
  this.id = id;
  this.params = params || {};
  this.panels = [];
  this.controls = [];
  this.controls_colors = { inactive : '#505050', active : '#ffffff' };
  this.panel_number_overlay = [];
  this.effect_time = this.params ? this.params.effect_time || 0.3 : 0;
  this.appear_time = this.params ? this.params.appear_time || 1 : 0;
  this.active_panel_idx = this.params ? this.params.active_panel_idx || 0 : 0;
  this.carousel_animation = null;
  this.carousel_animation_time = 10000;
  this.is_busy_flag = 0;
  this.is_running = 1;

  this.init = function()
  {
    this.panel_number_overlay = YAHOO.util.Selector.query('#' + this.id + ' div.carousel_panel_number_overlay');
    this.controls = YAHOO.util.Selector.query('#' + this.id + ' div.carousel_nav a');
    this.panels = YAHOO.util.Selector.query('#' + this.id + ' div.carousel_panel');

    this.move(this.controls[this.active_panel_idx + 1]);

    for(i = 0; i < this.controls.length; i++)
    {
      var carouselInstance = this;
      var control = this.controls[i];

      YAHOO.util.Event.addListener(control, "click",
        function()
        {
          carouselInstance.is_running = 0;
          carouselInstance.move(this);
          this.blur();
        }
      );
    }
  };
  this.run = function()
  {
    this.move(this.controls[this.controls.length-1]);
  };
  this.is_busy = function(status)
  {
    var self = this;
    this.is_busy_flag = status;
    if(this.is_running)
    {
      this.carousel_animation = setTimeout(
        function()
        {
          self.run();
        },
        this.carousel_animation_time
      );
    }
  };
  this.hide = function(panel)
  {
    YAHOO.widget.Effects.Fade(this.panels[panel]);

  };
  this.move = function(control)
  {
    if(!this.is_busy_flag)
    {
      this.is_busy(1);
      clearTimeout(this.carousel_animation);

      for(i = 0; i < this.controls.length; i++)
      {
        YAHOO.util.Dom.setStyle(this.controls[i], 'color', this.controls_colors.inactive);
      }

      var panel_idx;
      if(control.className.indexOf("prev") > 0)
      {
        panel_idx = this.active_panel_idx - 1 >= 0 ?  this.active_panel_idx - 1 : this.panels.length - 1;
      }
      else if(control.className.indexOf("next") > 0)
      {
        panel_idx = this.active_panel_idx + 1 < this.panels.length ?  this.active_panel_idx + 1 : 0;
      }
      else
      {
        panel_idx = parseInt(control.className.replace(/\D/g,'')) - 1;
      }
      YAHOO.util.Dom.setStyle(this.controls[panel_idx + 1], 'color', this.controls_colors.active);

      var panel_number_overlay =
      {
        width : { to : parseInt(YAHOO.util.Dom.getStyle(this.controls[panel_idx + 1], 'width')) },
        height : { to : parseInt(YAHOO.util.Dom.getStyle(this.controls[panel_idx + 1], 'height')) },
        top : { to : parseInt(YAHOO.util.Dom.getStyle(this.controls[panel_idx + 1], 'top')) },
        left : { to : parseInt(YAHOO.util.Dom.getStyle(this.controls[panel_idx + 1], 'left')) }
      }
      var move_panel_number_overlay = new YAHOO.util.Anim(this.panel_number_overlay[0].id, panel_number_overlay, this.effect_time);
      move_panel_number_overlay.animate();
      var carouselInstance = this;
      move_panel_number_overlay.onComplete.subscribe(function(){carouselInstance.is_busy(0)});

      for(i = 0; i < this.panels.length; i++)
      {
        YAHOO.util.Dom.setStyle(this.panels[i], 'visibility', 'hidden');
      }
      YAHOO.util.Dom.setStyle(this.panels[panel_idx], 'visibility', 'visible');
      YAHOO.widget.Effects.Appear(this.panels[panel_idx],{seconds:this.appear_time});
      this.active_panel_idx = panel_idx;
    }
  };
}

function initCarousel(id)
{
  if(document.getElementById(id))
  {
    if(!YAHOO.carousels)
    {
      YAHOO.carousels = {};
    }
    YAHOO.carousels[id] = new carousel(id);
    YAHOO.carousels[id].init();
  }
}

function modal(id, params)
{
  var self = this;
  this.id = id;
  this.params = params || {};
  this.url = document.getElementById(this.id).href;

  /* récupère le contenu à afficher */
  this.init = function()
  {
    var request = YAHOO.util.Connect.asyncRequest('GET', this.url, { success : this.show } );
  }

  this.show = function(o)
  {
    if(o.responseText !== undefined)
    {
      self.content = o.responseText;
      self.modal = new YAHOO.widget.Panel(self.id + "_modal",
             {
               width : self.params.width + "px",
              height : self.params.height + "px",
              fixedcenter : true,
               constraintoviewport : true,
              underlay : "none",
              close : false,
              visible : true,
              draggable : false,
              modal : true,
              zindex : 1000
             } );
    }
    self.modal.setBody(self.content);
    self.modal.render(document.body);

    self.close_link = YAHOO.util.Selector.query('#' + self.id + '_modal a.ModalClose');

    YAHOO.util.Event.addListener(self.close_link, "click", self.hide);
  }
  this.hide = function()
  {
    self.modal.hide();
  }
  this.init();
}

function openModal(id,width,height)
{
  new modal(id, {width:width, height:height});
}


// JavaScript Document
var isIE=navigator.appName.indexOf("Explorer")!=-1;
var isNN6=!document.all && document.getElementById;
var isNN4=!isIE && !isNN6;
var browser=navigator.appName;
var b_version=navigator.appVersion;
var navig_version=parseFloat(b_version);
var nbrFilters=4;


function initGenLoader(){
  var myHeight = windowHeight();
  var loaderheight = YAHOO.util.Dom.getStyle($('genloader'), 'height').toInt();
  document.getElementById("genloader_shadow").style.height=YAHOO.util.Dom.getDocumentHeight() + "px";
  document.getElementById("genloader").style.top = YAHOO.util.Dom.getViewportHeight() / 2 + loaderheight + "px";
}

function displayGenLoader(){
  if(document.getElementById("genloader") && document.getElementById("genloader_shadow")) {
    document.getElementById("genloader").style.display ='block';
    document.getElementById("genloader_shadow").style.display ='block';
  }
}

function hideGenLoader(){
  if(document.getElementById("genloader") && document.getElementById("genloader_shadow")) {
    document.getElementById("genloader").style.display ='none';
    document.getElementById("genloader_shadow").style.display ='none';
  }
}


/*N'affiche la partie "Téléchargement de toolbar" qu'avec IE*/
function showSearhToolbar(){
  if ((browser=="Microsoft Internet Explorer") && (navig_version>=4)){
    try {
      if(document.getElementById("euro_tools_home"))
        document.getElementById("euro_tools_home").style.display = "block";
      if(document.getElementById("euro_tools_result"))
        document.getElementById("euro_tools_result").style.display = "block";
    }catch(e){}
  }
}

/**
 * Recuperer la position de l'objet passé en paramètre
 * @param {Object} obj : objet passé en paramètre
 */
function findPos(obj){
   var curleft = curtop = 0;
   if (obj && obj.offsetParent){
       curleft = obj.offsetLeft;
       curtop = obj.offsetTop;
       while (obj = obj.offsetParent){
     curleft += obj.offsetLeft;
     curtop += obj.offsetTop;
       }
   }
   return [curleft,curtop];
}
/**
 * 	Positionnner un objet par rapport a un autre
 *  @param {Object} parent_id : id du conteneur
 *  @param {Object} child_id : id du contenu
 *  @param {Integer} pas obligatoire: longueur ajoutée sur le paramètre top
 *  @param {Integer} pas obligatoire: longueur ajoutée sur le paramètre left
 */
function positionBox(parent_id,child_id,more_top,more_left){
  if( more_top == null || more_top == '')
    more_top =0;
  if( more_left == null || more_left == '')
    more_left =0;
  if( ($(parent_id) != null) && ($(child_id) != null)) {
      var parent_id1 = document.getElementById(parent_id);
      var pos1 = findPos(parent_id1);
    $(child_id).style.top = ( pos1[1]+ more_top )+ "px";
       $(child_id).style.left = (pos1[0]+ more_left) + "px";
    $(child_id).style.display= 'block';
  }
  return true;

}
function openPopup(URL,winName,width_pop,height_pop,scroll)
{
  var top_pop, left_pop;
  var b_version1=navigator.appVersion;
  var navig_version1=b_version1.indexOf("MSIE 6.0");

  if(navigator.appName=="Microsoft Internet Explorer") {
    top_pop = window.screenTop;
    left_pop = window.screenLeft;
  } else {
    top_pop = window.screenY;
    left_pop = window.screenX;
  }
  if(scroll=='') scroll ='no';

  top_pop = top_pop + (windowHeight() - height_pop) / 2;
  left_pop = left_pop + (windowWidth() - width_pop) / 2;
  window.open(URL,winName,'toolbar=no ,resizable=yes,directories=no, location=no, width='+width_pop+', height='+height_pop+', top='+top_pop+ ', left='+left_pop+ ',status=no, scrollbars='+scroll+', menubar=no');
}

/**
 * fonction qui cache ou montre un bloc
 * @param {Object} idElement
 * @param (Object) displ : pour savoir si on met l'élément inline ou block
 */
function cacheBlock(id) {
  var el = $(id);
  if(el){
    el.style.display = (el.style.display == 'block' ? 'none' : 'block' );
    return true;
  }
}
/**
 * Cache les liens du footer avec les id homepage_link et searchbar_link
 */
function displayLinkFooter(id1,id2){
  /* set home page undisplay for firefox */
  if( document.getElementById(id1) && (navigator.appName !="Microsoft Internet Explorer" ))
    document.getElementById(id1).style.display="none";
  if( document.getElementById(id2) && (navigator.appName !="Microsoft Internet Explorer" ))
    document.getElementById(id2).style.display="none";
}
/**
 * @param {String} targ
 * @param {String} selObj
 * @param {String} restore
 */
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


/**
 * @name FilterManager
 */

var FilterManager = function(conditions) {
  this.conditions = conditions || [];
};

FilterManager.prototype.add_condition = function(condition) {
  this.conditions.push(condition);
  return this.sort_conditions();
};

FilterManager.prototype.sort_conditions = function() {
  return this.conditions
  .sort(function(a, b){
    return a.priority > b.priority;
  })
  .filter(function(condition){
    return condition.expression() === true;
  });
};

FilterManager.prototype.run_condition = function() {
  this.sort_conditions();
  return this.sort_conditions()[0].value();
};


/**
 * @name FontsizeManager
 */


var FontsizeManager = function (base, options) {
  this.base = $(base);
  this.current_size = 0;
  this.options = options || {
    sizes : ['', '80%', '95%', '105%']
  };

  this.load();
};

FontsizeManager.prototype.increase = function() {
  return this.set(1);
};

FontsizeManager.prototype.decrease = function() {
  return this.set(-1);
};

FontsizeManager.prototype.set = function(size) {
  if(this.size_in_range(this.current_size + size)) {
    this.apply(this.current_size + size);
    this.save();
    return true;
  }
};

FontsizeManager.prototype.size_in_range = function() {
  var predicate = this.current_size + arguments[0];
  return predicate > -1 && predicate <= this.options.sizes.length + 1;
};

FontsizeManager.prototype.apply = function(size) {
  this.current_size = size;
  YAHOO.util.Dom.setStyle(this.base, 'font-size', this.options.sizes[size]);
};

FontsizeManager.prototype.load = function() {
  var size = cookieYUI.getSub('Europages', 'FontSize') || '0';
  this.apply(size.toInt());
};

FontsizeManager.prototype.save = function() {
  cookieYUI.setSub('Europages', 'FontSize', this.current_size, {path : '/', domain : location.hostname});
};

function initCookies(){
  if(!cookieYUI)
    cookieYUI=YAHOO.util.Cookie;
  if(cookieYUI.getSub("EuropagesCook","Filter")!=null)
      cookieYUI.removeSub("EuropagesCook","Filter");

}

function displayFilter(filter){
  var panel = $E('.' + filter)[0];
  if(panel)
    formfilterAccordion.openPanel($E('.yui-accordion-panel').indexOf(panel));
}

function updateFilterCookie(filter_id){
  cookieYUI.setSub("Europages", "FilterID", filter_id, {path : '/', domain : location.hostname.split(/\.(.*)/)[1]});
}


/*Envoie du form nameForm et mise à jour du cookie via num (utiliser dans la pagination et Filter )
@param {string}: nameForm
TODO update this
*/
function submitSearchForm(nameForm, mode){
  displayGenLoader();

  if(mode)
    updateFilterCookie(mode)
  else
    cookieYUI.removeSub("Europages","FilterID")

  document.forms[nameForm].submit();
}
/*Si submit valide, appel de submitSearchForm
@param {String} id de l'input
@param {String} event.keyCode
*/
function validSearchForm(id,keycode){
   if(keycode=='13' && document.getElementById(id).value!=''){
     if(id.indexOf("querystring")!=-1)
       submitSearchForm(document.getElementById(id).form.name, "by_type");
     else
       submitSearchForm(document.getElementById(id).form.name, null);
   }
  return false;
}


function initSizeManager() {
  var fsmanager = new FontsizeManager('table_list');

  YAHOO.util.Event.on($E('li.puce_aplus')[0], 'click', fsmanager.increase.bind(fsmanager));
  YAHOO.util.Event.on($E('li.puce_aminus')[0], 'click', fsmanager.decrease.bind(fsmanager));
}

function initFilters(){
  //This rule select all <a> and <input> that will modifiy the state of the application
  $$('#filtersform div table:first-child td > *').forEach(function(element){
    YAHOO.util.Event.on(element, 'click', function(){
      var parent_panel = YAHOO.util.Dom.getAncestorByClassName(this, formfilterAccordion.CLASSES.PANEL);
      var filter_name = parent_panel.className.match(/by_[^\s]+/)[0];
      updateFilterCookie(filter_name);
    });
  });

  $$('a.keyword').forEach(function(element){
    YAHOO.util.Event.on(element, 'click', function(){
      updateFilterCookie('by_type');
    });
  });

  $$('.yui-accordion-toggle').forEach(function(element) {
    YAHOO.util.Event.on(element, 'click', function(){
      YAHOO.util.Dom.removeClass($('filtersform'), 'unfolded');
    });
  });

  YAHOO.util.Event.on($('less_choices'), 'click', function(){
    YAHOO.util.Dom.removeClass($('filtersform'), 'unfolded');
  });

  YAHOO.util.Event.on($('more_choices'), 'click', function(){
    YAHOO.util.Dom.addClass($('filtersform'), 'unfolded');
  });

  var filter_id = cookieYUI.getSub("Europages","FilterID");
  var manager = new FilterManager([
    {
      'expression' : $lambda($E('.by_type')[0] == null),
      'value' : $lambda('by_country'),
      'priority' : 1,
      'description' : 'Type filter does not exists so open the country filter'
    },
    {
      'expression' : $lambda($E('.by_type')[0] != null),
      'value' : $lambda('by_type'),
      'priority' : 1,
      'description' : 'Type filter exists so open it'
    },
    {
      'expression' : $lambda(!Europages.international_query),
      'value' : $lambda('by_country'),
      'priority' : 0,
      'description' : 'An national query was done so open the country filter'
    }
  ]);

  if(!Europages.international_query || filter_id == null || $E('.by_type')[0] == null) {
    updateFilterCookie(manager.run_condition());
  }
  displayFilter(cookieYUI.getSub("Europages","FilterID"));
}

function attachBusinessSectorEvents() {
  $E('#menudxsearch a[rel=tag]','#menudxsearch input[name^=heading]','#allsector').forEach(function(element) {
    YAHOO.util.Event.on(element, 'click', function() {
      updateFilterCookie('by_country');
      if(this.rel == 'tag') {
        window.scrollTo(0,0);
      }
    });
  });


  if( $('content_report2') && $('link_report1') ){
    YAHOO.util.Event.addListener($('link_report1'), "click", function(){
      $('content_report2').style.display='block';$('link_report1').style.display='none';
    });
    YAHOO.util.Event.addListener($('link_report2'), "click",  function(){
      $('content_report2').style.display='none';$('link_report1').style.display='block';
    });
  }
}

function onloadCommon() {
  displayLinkFooter('homepage_link','searchbar_link');
  showSearhToolbar();
  initGenLoader();
  YAHOO.util.Event.on(window, 'resize', initGenLoader);
  YAHOO.util.Event.on(window, 'submit', displayGenLoader);

}

function onloadBusinessSector() {
  onloadCommon();
  attachBusinessSectorEvents();
  onloadFooter();
}

function onloadHome(){
  onloadCommon();
  if($('edito')) { initCarousel('edito'); }
  if(YAHOO.util.Dom.getElementsByClassName("encode").length>0){
    YAHOO.util.Dom.getElementsByClassName("encode")[0].style.display="none";
    interference.init("content_home","SPAN","encode");
  }
}

function onloadFooter(){
  if(YAHOO.util.Dom.getElementsByClassName("encode").length>0){
    interference.init("footer_central","SPAN","encode");
  }

}
function onloadSearchPage(){
  onloadCommon();
  if($('filtersform')) { initFilters(); }
  if($('table_list')) { initSizeManager(); }

  if($('block_unit6') && $('box_unit6'))	positionBox('block_unit6','box_unit6');
  onloadFooter();

}

function contentBodyInterferenceCode(){
  if(YAHOO.util.Dom.getElementsByClassName("encode").length>0){
    interference.init("the_body","SPAN","encode");
  }
}

/*implementation for a JavaScript StringBuffer*/
function StringBuffer() {
   this.buffer = [];
}
StringBuffer.prototype.append = function append(string) {
   this.buffer.push(string);
   return this;
};
StringBuffer.prototype.toString = function toString() {
   return this.buffer.join("");
};

/* Base16 only */
var interference={
    init: function(parentNode, typeNode, classNode)
    {
      if(!document.getElementById(parentNode)){return;}

      var pNode = document.getElementById(parentNode);
      var nodes = pNode.getElementsByTagName(typeNode);
      for(var i=0;i<nodes.length;i++)
      {
        var debString  = String(classNode).length;
        if( nodes[i].className.substring(0,debString) == classNode )
        {
          if( nodes[i].firstChild && nodes[i].firstChild.data.length > 0){
            var contentHtml =  nodes[i].firstChild.data;
            nodes[i].firstChild.data= "";
            this.createUrl(nodes[i],debString,contentHtml);
          }
          else{
            this.createUrl(nodes[i],debString);
          }
        }
      }
    },
    /* Create a link element child of current node. param : current node, pos for substring function */
    createUrl:function(curNode,debString,contentHtml){
      /*REGLES
      * param[0]="encode"
      * param[1]= url encodée.
      	La chaine de caractère PEUT commencer par le paramètre _self pour renseigner le paramètre target. Valeur par défaut est _blank.
      	Sinon il NE DOIT PAS y avoir de paramètre devant la chaine encodée.
      * param[2]= js à ajouté dans un onclick.
        Si le caractère _ commence la chaine alors celle-ci n'est pas encodée. Il faut donc l'intégrer tel quel.
        Sinon il faut décoder la chaine.
       */
      var contentNameClass=curNode.className.toString();
      var paramTab=new Array();
      var i=0;
      var ind = 0 ;

      //récupère tous les paramètres
      while(contentNameClass.length>0 && ind>=0){
        ind = contentNameClass.indexOf(" ",0);
         if(ind < 0){
          paramTab[i] = contentNameClass;
          contentNameClass ="";
            }else{
          paramTab[i] = contentNameClass.substring(0,ind);
          contentNameClass =  contentNameClass.substring(ind+1);
        }
        i++;
      }
      //le premier DOIT être égal à "encode"
      if(paramTab[0].indexOf("encode")<0) return;

      //le second est l'url encodée
      if(paramTab[1]){
    	  var target = "_blank";
    	 //target
    	 if(paramTab[1].indexOf("_self_")>=0){
    		 target ="_self";
    		 urlString=this.decode(paramTab[1].substring( "_self_".length));
    	}
    	 else{
    		 urlString=this.decode(paramTab[1]);
    	 }

        if(urlString != undefined){
        	var nlink=document.createElement("a");
          nlink.href=String(urlString);
          nlink.target=target;

          //add content and title
          if(contentHtml && contentHtml.length>0){
            nlink.innerHTML=String(contentHtml);
            nlink.title=String(contentHtml);
          }
          else{
            nlink.innerHTML=String(urlString);
            nlink.title=String(urlString);
          }
          //add onclick event
          if(paramTab[2]){
            if(paramTab[2].indexOf("_") == 0){
              nlink.onclick ='"'+paramTab[2].substring(1)+'"';
              nlink.setAttribute("onclick",paramTab[2].substring(1));
            }
            else{
              nlink.setAttribute("onclick",this.decode(paramTab[2]));
            }
          }
          //add link
          curNode.appendChild(nlink);
          //change class name
          curNode.className="encode";

        }
      }
    },

    //only on base 16 string encoding
    decode:function(enc)
      {
      if(enc.length% 2 != 0) return ;
      var strAscii=' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}';
      var l = enc.length;
      var dec = new StringBuffer();
      var pw3 = parseInt(16, 10);

       for(var i=0; i<l; i+=2){
         var valuebase10 = parseInt(enc.substring(i,i+2), pw3);
         dec.append(strAscii.charAt(valuebase10-32));
        }
       return dec;
      }
  };

// recently added bloc homepage
var SLIDETIMER = 3;
var SLIDESPEED = 3;
var SCROLLTIMER = 3;
var SCROLLSPEED = 3;

// handles section to section scrolling of the content //
function slideContent(id,prefix,timer) {
  var div = document.getElementById(id);
  var slider = div.parentNode;
  clearInterval(slider.timer);
  slider.section = parseInt(id.replace(/\D/g,''));
  slider.target = div.offsetTop;
  slider.style.top = slider.style.top || '0px';
  slider.current = slider.style.top.replace('px','');
  slider.direction = (Math.abs(slider.current) > slider.target) ? 1 : -1;
  slider.timer = setInterval( function() { slideAnimate(slider,prefix,timer) }, SLIDETIMER);
}

function slideAnimate(slider,prefix,timer) {
  var curr = Math.abs(slider.current);
  var tar = Math.abs(slider.target);
  var dir = slider.direction;
  if((tar - curr <= SLIDESPEED && dir == -1) || (curr - tar <= SLIDESPEED && dir == 1)) {
    slider.style.top = (slider.target * -1) + 'px';
    clearInterval(slider.timer);
  if(slider.autoscroll) {
    setTimeout( function() { autoScroll(slider.id,prefix,timer) }, timer * 1000);
  }
  } else {
  var pos = (dir == 1) ? parseInt(slider.current) + SLIDESPEED : slider.current - SLIDESPEED;
    slider.current = pos;
    slider.style.top = pos + 'px';
  }
}

// handles manual scrolling of the content //
function scrollContent(id,dir) {
  var div = document.getElementById(id);
  clearInterval(div.timer);
  var sections = div.getElementsByTagName('div');
  var length = sections.length;
  var limit;
  if(dir == -1) {
    limit = 0;
  } else {
    if(length > 1) {
      limit = sections[length-1].offsetTop;
    } else {
      limit = sections[length-1].offsetHeight - div.parentNode.offsetHeight + 20;
    }
  }
  div.timer = setInterval( function() { scrollAnimate(div,dir,limit) }, SCROLLTIMER);
}

function scrollAnimate(div,dir,limit) {
  div.style.top = div.style.top || '0px';
  var top = div.style.top.replace('px','');
  if(dir == 1) {
  if(limit - Math.abs(top) <= SCROLLSPEED) {
    cancelScroll(div.id);
    div.style.top = '-' + limit + 'px';
  } else {
    div.style.top = top - SCROLLSPEED + 'px';
  }
  } else {
  if(Math.abs(top) - limit <= SCROLLSPEED) {
    cancelScroll(div.id);
    div.style.top = limit + 'px';
  } else {
    div.style.top = parseInt(top) + SCROLLSPEED + 'px';
  }
  }
}

// cancel the scrolling on mouseout //
function cancelScroll(id) {
  var div = document.getElementById(id);
  clearTimeout(div.timer);
}

// initiate auto scrolling //
function autoScroll(id,prefix,timer,restart) {
  var div = document.getElementById(id);
  div.autoscroll = (!div.autoscroll && !restart) ? false : true;
  if(div.autoscroll) {
    var sections = div.getElementsByTagName('div');
    var length = sections.length;
    div.section = (div.section && div.section < length) ? div.section + 1 : 1;
    slideContent(prefix + '-' + div.section,prefix,timer);
  }
}

// cancel automatic scrolling //
function cancelAutoScroll(id) {
  var div = document.getElementById(id);
  div.autoscroll = false;
}